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After all the concern over possible damage to health from using mobile phones, scientists have found a potential benefit from radiation.

Their work has been carried out on mice, but it suggests mobiles might protect against Alzheimer's. Florida scientists found that phone radiation actually protected the memories of mice programmed to get Alzheimer's disease. They are now testing more frequencies to see if they can get better results. The study by the Florida Alzheimer's Disease Research Centre is published in the Journal of Alzheimer's Disease.

Genetically altered mice

It involved 96 mice, most of which had been genetically altered to develop beta-amyloid plaques in their brains, which are a marker of Alzheimer's disease, as they aged. The rest of the mice were non-demented.

All the mice were exposed to the electro-magnetic field generated by a standard phone for two one-hour periods each day for seven to nine months. Their cages were arranged at the same distance around a centrally located antenna generating the phone signal.